#1E7DB2

Closest named color: Nice Blue (#107AB0). oklch(56.2% 0.117 239.4), rgb(30, 125, 178).

Black text reads best on this color (4.63:1).

About this color

#1E7DB2 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.117 and its hue 239°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.011 away. Black text reads best on it, at 4.63:1.

Hue family	Blues
Lightness	medium-dark (56%)
Chroma	moderately saturated (0.117)
Temperature	cool
Nearest name	Nice Blue (#107AB0)
Black text	4.63:1
White text	4.53:1

Values

HEX	#1E7DB2
RGB	rgb(30, 125, 178)
HSL	hsl(201, 71%, 41%)
OKLCH	oklch(56.2% 0.117 239.4)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

Pair	WCAG 2	Result	APCA	APCA guidance
White text on #1E7DB2	4.53:1	AA	Lc -76.5	Fine for body text
Black text on #1E7DB2	4.63:1	AA	Lc 33.0	Non-text elements, placeholder text
#1E7DB2 text on white	4.53:1	AA	Lc 71.1	Content text, not long reading
#1E7DB2 text on black	4.63:1	AA	Lc -30.6	Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

Step 50
50

#F1F6FA

oklch(97.1% 0.008 241.7)
Step 100
100

#E1ECF3

oklch(93.7% 0.015 235.4)
Step 200
200

#C8DCEB

oklch(88.4% 0.03 240.2)
Step 300
300

#A2C6DF

oklch(80.9% 0.052 238.6)
Step 400
400

#6EA8D0

oklch(70.7% 0.084 239.7)
Step 500
500

#4392C3

oklch(63.2% 0.107 238.9)
Step 600
600 (this color)

#1E7DB2

oklch(56.2% 0.117 239.4)
Step 700
700

#086797

oklch(49% 0.109 239.6)
Step 800
800

#0F557B

oklch(42.8% 0.09 239.1)
Step 900
900

#174663

oklch(37.7% 0.071 239.8)
Step 950
950

#0F293A

oklch(26.9% 0.045 240)

Export this scale for Tailwind in the Tailwind colors tool

#1E7DB2 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

Vision	Seen as	Shift (ΔE)
Protanopia (no red cones)	#647EB4	0.062
Deuteranopia (no green cones)	#5070B1	0.049
Tritanopia (no blue cones)	#008A90	0.075
Achromatopsia (no color)	#767676	0.117